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New PROTOCOL_VERSION scheme (allow client to support a range of versions)

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This commit is contained in:
Perttu Ahola 2012-11-26 09:49:07 +02:00
parent ab507f83e2
commit 197542c7ec
3 changed files with 32 additions and 13 deletions
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9
src/client.cpp
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@ -499,8 +499,9 @@ void Client::step(float dtime)
// [2] u8 SER_FMT_VER_HIGHEST
// [3] u8[20] player_name
// [23] u8[28] password (new in some version)
// [51] u16 client network protocol version (new in some version)
SharedBuffer<u8> data(2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2);
// [51] u16 minimum supported network protocol version (added sometime)
// [53] u16 maximum supported network protocol version (added later than the previous one)
SharedBuffer<u8> data(2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2+2);
writeU16(&data[0], TOSERVER_INIT);
writeU8(&data[2], SER_FMT_VER_HIGHEST);
@ -513,8 +514,8 @@ void Client::step(float dtime)
memset((char*)&data[23], 0, PASSWORD_SIZE);
snprintf((char*)&data[23], PASSWORD_SIZE, "%s", m_password.c_str());
// This should be incremented in each version
writeU16(&data[51], PROTOCOL_VERSION);
writeU16(&data[51], CLIENT_PROTOCOL_VERSION_MIN);
writeU16(&data[53], CLIENT_PROTOCOL_VERSION_MAX);
// Send as unreliable
Send(0, data, false);